//Quadratic.java 
//Demonstrates the use of the Math class to perform a calculation based on user input.
import java.util.Scanner;
public class Quadratic
{
  public static void main(String[] args)
  {
    int a,b,c;//ax^2+bx+c
    double discriminant,root1,root2;

    Scanner scan = new Scanner(System.in);

    System.out.println("Enter the coefficient of x squared:");
    a = scan.nextInt();

    System.out.println("Enter the coefficient of x:");
    b = scan.nextInt();

    System.out.println("Enter the constant:");
    c = scan.nextInt();

    //Use the quadratic formula to compute the roots.
    //Assumes a positive discriminant.

    discriminant = Math.pow(b, 2)- (4*a*c);
    root1 = ((-1*b)+Math.sqrt(discriminant))/(2*a);
    root2 = ((-1*b)-Math.sqrt(discriminant))/(2*a);

    System.out.println("Root #1:"+root1);
    System.out.println("Root #2:"+root2);
   }
  } 
